by admin | Mar 30, 2022 | Probability homework help

The average teachers’ salary in a certain state is $57,337 . Suppose that the distribution of salaries is normal with a standard deviation of $7500 . Assume that the sample is taken from a large population and the correction factor can be ignored. Use a TI-83...
by admin | Mar 23, 2022 | Probability homework help

There are two boxes, containing 1 black ball and 10 white balls and 6 black balls and 7 white balls respectively. 4 Balls are randomly taken from the first box and put in the second box. Then one ball is drawn out from the second. Find the probability that: 1) the...